20152210654 has 32 divisors (see below), whose sum is σ = 32765460480. Its totient is φ = 9263292192.

The previous prime is 20152210643. The next prime is 20152210667. The reversal of 20152210654 is 45601225102.

It is a super-2 number, since 2×20152210654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519787 + ... + 557209.

It is an arithmetic number, because the mean of its divisors is an integer number (1023920640).

Almost surely, 2^20152210654 is an apocalyptic number.

20152210654 is a deficient number, since it is larger than the sum of its proper divisors (12613249826).

20152210654 is a wasteful number, since it uses less digits than its factorization.

20152210654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37864.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 20152210654 its reverse (45601225102), we get a palindrome (65753435756).

The spelling of 20152210654 in words is "twenty billion, one hundred fifty-two million, two hundred ten thousand, six hundred fifty-four".